Table 1.
Endoscopic finding
| No | Author | Surface | Color | Biopsy | Therapy | Malignancy |
| 1 | Bott | Not described | Not described | Inflamation | Surgery | - |
| 2 | Naitoh | cerebriform | Not described | Not described | Endoscopic polypectomy | - |
| 3 | Tanaka | Lobrated | Not described | Not described | Endoscopic polypectomy | - |
| 4 | Tanaka | Multi lobrated | Reddish | Benign | Endoscopic polypectomy | - |
| 5 | Nerbi | Lobrated | Not described | Lymphoplastic | Surgery | - |
| 6 | Ichiyoshi | Lobrated or fine granular | Normal | Non neoplastic | Endoscopic polypectomy | - |
| 7 | Kitaoka | Lobrated | Not described | Not described | Endoscopic polypectomy | - |
| 8 | Itaba | Not described | Normal | Normal | Endoscopic polypectomy | - |
| 9 | Itaba | Lobrated | Normal | Normal | Endoscopic polypectomy | - |
| 10 | Our case1 | Lobrated or nodular | Whitish | Hyperplastic polyp | Surgery | - |
| 11 | Our case2 | Lobrated or nodular | Whitish | Adenoma | Endoscopic polypectomy | - |
| 12 | Our case3 | Lobrated or nodular | Whitish | Hyperplastic polyp | Endoscopic polypectomy | - |